Practice Small Signal Equivalent Circuit (70.3.4) - Single - ended Vs. Differential Signaling and Basic Model of a Differential Amplifier

Practice: Small Signal Equivalent Circuit

Lesson 70.3.4Single - ended Vs. Differential Signaling and Basic Model of a Differential Amplifier

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9 questions

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Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Define a single-ended amplifier in your own words.
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Consider how it processes signals.
Question 2.
What is a differential amplifier used for?
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Think about situations where two signals are involved.
3Question 3.
What is the primary function of a differential amplifier?
- To amplify single signals
- To amplify the difference between two signals
- To convert AC to DC
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Think about what makes it 'differential.'
4Question 4.
True or False: Single-ended amplifiers process signals as the difference between two inputs.
- True
- False
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Recall the definition of single-ended.
Question 5.
Design a simple differential amplifier circuit using op-amps and analyze its gain.
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Remember the formula for differential gain using resistor values.
Question 6.
Explain how common-mode rejection ratio (CMRR) is critical in practical applications of differential amplifiers.
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Consider why rejecting noise improves performance.

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